.example-list {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-top: 100px;
    .example-item {
        background-color: white;
        padding: 0.8rem;
        border: 1px solid rgba(0, 0, 0, 0.1);
        box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.1);
        text-align: center;
        margin-bottom: 1rem;
        flex: 1;

        &.placeholder {
            visibility: hidden;
            height: 0;
            margin: 0;
            padding: 0;
        }
    }
}

.picker {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 100;
    width: 100%;
    height: 100%;
    overflow: hidden;
    text-align: center;
    font-size: 14px;
    background-color: rgba(37, 38, 45, .4);

    &.picker-fade-enter,
    &.picker-fade-leave-active {
        opacity: 0
    }

    &.picker-fade-enter-active,
    &.picker-fade-leave-active {
        transition: all .3s ease-in-out
    }

    .picker-panel {
        position: absolute;
        z-index: 600;
        bottom: 0;
        width: 100%;
        height: 273px;
        background: white;

        &.picker-move-enter,
        &.picker-move-leave-active {
            transform: translate3d(0, 273px, 0)
        }

        &.picker-move-enter-active,
        &.picker-move-leave-active {
            transition: all .3s ease-in-out
        }

        .picker-choose {
            position: relative;
            height: 60px;
            color: #999;

            .picker-title {
                margin: 0;
                line-height: 60px;
                font-weight: normal;
                text-align: center;
                font-size: 18px;
                color: #333;
            }

            .confirm,
            .cancel {
                position: absolute;
                top: 6px;
                padding: 16px;
                font-size: 14px;
            }

            .confirm {
                right: 0;
                color: #007bff;

                &:active {
                    color: #5aaaff;
                }

            }

            .cancel {
                left: 0;

                &:active {
                    color: #c2c2c2
                }

            }

        }

        .picker-content {
            position: relative;
            top: 20px;

            .mask-top,
            .mask-bottom {
                z-index: 10;
                width: 100%;
                height: 68px;
                pointer-events: none;
                transform: translateZ(0);
                position: absolute;
            }

            .mask-top {
                top: 0;
                background: linear-gradient(to top, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0.8));
            }

            .mask-bottom {
                bottom: 1px; background: linear-gradient(to bottom, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0.8))
            }

            .wheel-wrapper {
                display: flex;
                padding: 0 16px;

                .wheel {
                    flex: 1;
                    width: 1%;
                    height: 173px;
                    overflow: hidden;
                    font-size: 18px;

                    .wheel-scroll {
                        padding: 0;
                        margin-top: 68px;
                        line-height: 36px;
                        list-style: none;

                        .wheel-item {
                            list-style: none;
                            height: 36px;
                            overflow: hidden;
                            white-space: nowrap;
                            color: #333;

                            &.wheel-disabled-item {
                                opacity: .2;
                            }

                        }

                    }
                }
            }
        }

        .picker-footer {
            height: 20px
        }


    }

}